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bf1cfc0753
Cf. <https://github.com/php/php-src/pull/10220#issuecomment-1383739816>. This reverts commit68ada76f9a. his reverts commit45384c6e20. This reverts commitef7fbfd710. This reverts commit9b9ea0d7c6. This reverts commitf15747c26b. This reverts commite883ba93c4. This reverts commit7e87551c37. This reverts commit921274d2b8. This reverts commitfc1f528e5e. This reverts commit0961715cda. This reverts commita93f264526. This reverts commit72dd94e1c6. This reverts commit29b2dc8964. This reverts commit05c7653bba. This reverts commit5190e5c260. This reverts commit6b55bf228c. This reverts commit184b4a12d3. This reverts commit4c31b7888a. This reverts commitd44e9680f0. This reverts commit4069a5c43f.
366 lines
11 KiB
C++
366 lines
11 KiB
C++
/*
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+----------------------------------------------------------------------+
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| Zend OPcache |
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@php.net> |
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| Zeev Suraski <zeev@php.net> |
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| Stanislav Malyshev <stas@zend.com> |
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| Dmitry Stogov <dmitry@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_ACCELERATOR_H
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#define ZEND_ACCELERATOR_H
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#define ACCELERATOR_PRODUCT_NAME "Zend OPcache"
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/* 2 - added Profiler support, on 20010712 */
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/* 3 - added support for Optimizer's encoded-only-files mode */
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/* 4 - works with the new Optimizer, that supports the file format with licenses */
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/* 5 - API 4 didn't really work with the license-enabled file format. v5 does. */
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/* 6 - Monitor was removed from ZendPlatform.so, to a module of its own */
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/* 7 - Optimizer was embedded into Accelerator */
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/* 8 - Standalone Open Source Zend OPcache */
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#define ACCELERATOR_API_NO 8
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#if ZEND_WIN32
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# include "zend_config.w32.h"
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#else
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#include "zend_config.h"
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# include <sys/time.h>
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# include <sys/resource.h>
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#endif
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#if HAVE_UNISTD_H
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# include "unistd.h"
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#endif
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#include "zend_extensions.h"
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#include "zend_compile.h"
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#include "Optimizer/zend_optimizer.h"
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#include "zend_accelerator_hash.h"
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#include "zend_accelerator_debug.h"
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#ifdef HAVE_STDATOMIC_H
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# ifdef __cplusplus
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# include <atomic>
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# else
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# include <stdatomic.h>
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# endif
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#endif // HAVE_STDATOMIC_H
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#ifndef PHPAPI
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# ifdef ZEND_WIN32
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# define PHPAPI __declspec(dllimport)
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# else
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# define PHPAPI
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# endif
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#endif
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#ifndef ZEND_EXT_API
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# ifdef ZEND_WIN32
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# define ZEND_EXT_API __declspec(dllexport)
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# elif defined(__GNUC__) && __GNUC__ >= 4
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# define ZEND_EXT_API __attribute__ ((visibility("default")))
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# else
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# define ZEND_EXT_API
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# endif
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#endif
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#ifdef ZEND_WIN32
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# ifndef MAXPATHLEN
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# include "win32/ioutil.h"
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# define MAXPATHLEN PHP_WIN32_IOUTIL_MAXPATHLEN
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# endif
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# include <direct.h>
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#else
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# ifndef MAXPATHLEN
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# define MAXPATHLEN 4096
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# endif
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# include <sys/param.h>
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#endif
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/*** file locking ***/
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#ifndef ZEND_WIN32
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extern int lock_file;
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#endif
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#if defined(ZEND_WIN32)
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# define ENABLE_FILE_CACHE_FALLBACK 1
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#else
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# define ENABLE_FILE_CACHE_FALLBACK 0
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#endif
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#if ZEND_WIN32
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typedef unsigned __int64 accel_time_t;
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#else
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typedef time_t accel_time_t;
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#endif
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typedef enum _zend_accel_restart_reason {
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ACCEL_RESTART_OOM, /* restart because of out of memory */
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ACCEL_RESTART_HASH, /* restart because of hash overflow */
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ACCEL_RESTART_USER /* restart scheduled by opcache_reset() */
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} zend_accel_restart_reason;
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typedef struct _zend_early_binding {
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zend_string *lcname;
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zend_string *rtd_key;
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zend_string *lc_parent_name;
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uint32_t cache_slot;
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} zend_early_binding;
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typedef struct _zend_persistent_script {
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zend_script script;
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zend_long compiler_halt_offset; /* position of __HALT_COMPILER or -1 */
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int ping_auto_globals_mask; /* which autoglobals are used by the script */
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accel_time_t timestamp; /* the script modification time */
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bool corrupted;
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bool is_phar;
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bool empty;
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uint32_t num_warnings;
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uint32_t num_early_bindings;
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zend_error_info **warnings;
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zend_early_binding *early_bindings;
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void *mem; /* shared memory area used by script structures */
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size_t size; /* size of used shared memory */
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/* All entries that shouldn't be counted in the ADLER32
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* checksum must be declared in this struct
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*/
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struct zend_persistent_script_dynamic_members {
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time_t last_used;
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zend_ulong hits;
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unsigned int memory_consumption;
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unsigned int checksum;
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time_t revalidate;
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} dynamic_members;
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} zend_persistent_script;
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typedef struct _zend_accel_directives {
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zend_long memory_consumption;
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zend_long max_accelerated_files;
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double max_wasted_percentage;
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char *user_blacklist_filename;
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zend_long consistency_checks;
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zend_long force_restart_timeout;
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bool use_cwd;
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bool ignore_dups;
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bool validate_timestamps;
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bool revalidate_path;
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bool save_comments;
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bool record_warnings;
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bool protect_memory;
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bool file_override_enabled;
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bool enable_cli;
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bool validate_permission;
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#ifndef ZEND_WIN32
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bool validate_root;
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#endif
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zend_ulong revalidate_freq;
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zend_ulong file_update_protection;
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char *error_log;
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#ifdef ZEND_WIN32
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char *mmap_base;
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#endif
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char *memory_model;
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zend_long log_verbosity_level;
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zend_long optimization_level;
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zend_long opt_debug_level;
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zend_long max_file_size;
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zend_long interned_strings_buffer;
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char *restrict_api;
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#ifndef ZEND_WIN32
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char *lockfile_path;
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#endif
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char *file_cache;
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bool file_cache_only;
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bool file_cache_consistency_checks;
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#if ENABLE_FILE_CACHE_FALLBACK
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bool file_cache_fallback;
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#endif
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#ifdef HAVE_HUGE_CODE_PAGES
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bool huge_code_pages;
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#endif
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char *preload;
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#ifndef ZEND_WIN32
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char *preload_user;
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#endif
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#ifdef ZEND_WIN32
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char *cache_id;
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#endif
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} zend_accel_directives;
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typedef struct _zend_accel_globals {
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bool counted; /* the process uses shared memory */
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bool enabled;
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bool locked; /* thread obtained exclusive lock */
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bool accelerator_enabled; /* accelerator enabled for current request */
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bool pcre_reseted;
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zend_accel_directives accel_directives;
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zend_string *cwd; /* current working directory or NULL */
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zend_string *include_path; /* current value of "include_path" directive */
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char include_path_key[32]; /* key of current "include_path" */
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char cwd_key[32]; /* key of current working directory */
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int include_path_key_len;
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bool include_path_check;
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int cwd_key_len;
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bool cwd_check;
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int auto_globals_mask;
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time_t request_time;
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time_t last_restart_time; /* used to synchronize SHM and in-process caches */
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HashTable xlat_table;
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#ifndef ZEND_WIN32
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zend_ulong root_hash;
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#endif
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/* preallocated shared-memory block to save current script */
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void *mem;
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zend_persistent_script *current_persistent_script;
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/* cache to save hash lookup on the same INCLUDE opcode */
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const zend_op *cache_opline;
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zend_persistent_script *cache_persistent_script;
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/* preallocated buffer for keys */
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zend_string key;
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char _key[MAXPATHLEN * 8];
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} zend_accel_globals;
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typedef struct _zend_string_table {
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uint32_t nTableMask;
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uint32_t nNumOfElements;
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zend_string *start;
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zend_string *top;
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zend_string *end;
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zend_string *saved_top;
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} zend_string_table;
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typedef struct _zend_accel_shared_globals {
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/* Cache Data Structures */
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zend_ulong hits;
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zend_ulong misses;
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zend_ulong blacklist_misses;
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zend_ulong oom_restarts; /* number of restarts because of out of memory */
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zend_ulong hash_restarts; /* number of restarts because of hash overflow */
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zend_ulong manual_restarts; /* number of restarts scheduled by opcache_reset() */
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zend_accel_hash hash; /* hash table for cached scripts */
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size_t map_ptr_last;
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/* Directives & Maintenance */
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time_t start_time;
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time_t last_restart_time;
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time_t force_restart_time;
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bool accelerator_enabled;
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bool restart_pending;
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zend_accel_restart_reason restart_reason;
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bool cache_status_before_restart;
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#ifdef HAVE_STDATOMIC_H
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# ifdef __cplusplus
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std::atomic_llong mem_usage, restart_in;
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# else
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atomic_llong mem_usage, restart_in;
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# endif
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#elif defined(ZEND_WIN32)
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LONGLONG mem_usage;
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LONGLONG restart_in;
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#endif
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bool restart_in_progress;
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/* Preloading */
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zend_persistent_script *preload_script;
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zend_persistent_script **saved_scripts;
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/* uninitialized HashTable Support */
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uint32_t uninitialized_bucket[-HT_MIN_MASK];
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/* Tracing JIT */
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void *jit_traces;
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const void **jit_exit_groups;
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/* Interned Strings Support (must be the last element) */
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zend_string_table interned_strings;
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} zend_accel_shared_globals;
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#ifdef ZEND_WIN32
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extern char accel_uname_id[32];
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#endif
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extern bool accel_startup_ok;
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extern bool file_cache_only;
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#if ENABLE_FILE_CACHE_FALLBACK
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extern bool fallback_process;
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#endif
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extern zend_accel_shared_globals *accel_shared_globals;
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#define ZCSG(element) (accel_shared_globals->element)
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#ifdef ZTS
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# define ZCG(v) ZEND_TSRMG(accel_globals_id, zend_accel_globals *, v)
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extern int accel_globals_id;
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# ifdef COMPILE_DL_OPCACHE
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ZEND_TSRMLS_CACHE_EXTERN()
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# endif
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#else
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# define ZCG(v) (accel_globals.v)
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extern zend_accel_globals accel_globals;
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#endif
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extern char *zps_api_failure_reason;
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BEGIN_EXTERN_C()
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void accel_shutdown(void);
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zend_result accel_activate(INIT_FUNC_ARGS);
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zend_result accel_post_deactivate(void);
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void zend_accel_schedule_restart(zend_accel_restart_reason reason);
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void zend_accel_schedule_restart_if_necessary(zend_accel_restart_reason reason);
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accel_time_t zend_get_file_handle_timestamp(zend_file_handle *file_handle, size_t *size);
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int validate_timestamp_and_record(zend_persistent_script *persistent_script, zend_file_handle *file_handle);
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int validate_timestamp_and_record_ex(zend_persistent_script *persistent_script, zend_file_handle *file_handle);
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int zend_accel_invalidate(zend_string *filename, bool force);
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int accelerator_shm_read_lock(void);
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void accelerator_shm_read_unlock(void);
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zend_string *accel_make_persistent_key(zend_string *path);
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zend_op_array *persistent_compile_file(zend_file_handle *file_handle, int type);
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#define IS_ACCEL_INTERNED(str) \
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((char*)(str) >= (char*)ZCSG(interned_strings).start && (char*)(str) < (char*)ZCSG(interned_strings).top)
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zend_string* ZEND_FASTCALL accel_new_interned_string(zend_string *str);
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uint32_t zend_accel_get_class_name_map_ptr(zend_string *type_name);
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END_EXTERN_C()
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/* memory write protection */
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#define SHM_PROTECT() \
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do { \
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if (ZCG(accel_directives).protect_memory) { \
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zend_accel_shared_protect(1); \
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} \
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} while (0)
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#define SHM_UNPROTECT() \
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do { \
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if (ZCG(accel_directives).protect_memory) { \
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zend_accel_shared_protect(0); \
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} \
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} while (0)
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#endif /* ZEND_ACCELERATOR_H */
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